diff --git a/.github/workflows/test-external.yaml b/.github/workflows/test-external.yaml
index 3729b8f..2aace3d 100644
--- a/.github/workflows/test-external.yaml
+++ b/.github/workflows/test-external.yaml
@@ -19,10 +19,9 @@ jobs:
           - ubuntu
         
         ruby:
-          - "2.7"
-          - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
     
     steps:
     - uses: actions/checkout@v3